pcre2: update to 10.47

[neheb]

No description provided.

[neheb]

boolean.boolean.ParseError: A plain license symbol cannot be used as an exception in a "WITH symbol" statement. for token: "PCRE2-exception" at position: 18

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "./tools/sanity_checks.py", line 630, in check_project_args
    license_expression.get_spdx_licensing().parse(
  File "/opt/hostedtoolcache/Python/3.8.18/arm64/lib/python3.8/site-packages/license_expression/__init__.py", line 548, in parse
    raise ExpressionParseError(
license_expression.ExpressionParseError: A plain license symbol cannot be used as an exception in a "WITH symbol" statement. for token: "PCRE2-exception" at position: 18

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "./tools/sanity_checks.py", line 634, in check_project_args
    raise Exception('Invalid license expression; see https://spdx.github.io/spdx-spec/v3.0.1/annexes/spdx-license-expressions/') from exc
Exception: Invalid license expression; see https://spdx.github.io/spdx-spec/v3.0.1/annexes/spdx-license-expressions/

@bgilbert ?